The Venn diagram shows 2 intersecting circles, one labeled Africa 93 and the other labeled Asia 155. The area of intersection is labeled 70.

Our opening quote contended that Venn diagrams are overrated. Even those who agree must admit that they have a curious allure. Take the sets of interesting topics in logic, in geometry and in ...

4 + 6 + 8 = 18, the Venn diagram only shows the data of 18 people. Assuming that the given data is correct, there should be 2 people placed inside the rectangle and outside the circles who do not ...